These women were found carrying $3 million of heroin and opium into Chicago's O'Hare airport

Three women were arrested at Chicago's O'Hare International Airport with more than $3 million of heroin and opium in their luggage, and were due to appear in court for a bond hearing on Wednesday, police said.

A combination photo shows (L-R) Pa Yang, 57, Mai Vue Vang, 58, and True Thao, 52, all of Minnesota, after their arrest at Chicago's O'Hare International Airport with more than $3 million of heroin and opium in their luggage in these photos released by the Chicago Police Department, Chicago, Illinois, United States on May 11, 2016. Reuters

The three - Pa Yang, 57, Mai Vue Vang, 58, True Thao, 52, all from Minnesota - had arrived on Tuesday on a flight from Japan, the Chicago Police Department said in a statement.